FreeOGImage vs ZeGrapher
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
FreeOGImage compared with ZeGrapher
| Detail | 
FreeOGImage | 
ZeGrapher |
|---|
| What it does | Free Open Graph image generator with no signup, no watermark, and no data uploads
| A free and open source math plotter, easy to pick up
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| Stage | Not given
| Established
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| Founded | Not given
| 2011
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| Based in | Not given
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Not given
| Not given
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| Key features | - 224+ customizable templates across product, editorial, developer, gaming, and more
- Full browser-based editing with no server uploads
- Pixel-exact exports at 2× resolution for high-DPI screens
- Support for multiple platform sizes: Open Graph, X, LinkedIn, Facebook, Square
- Deep customization controls for backgrounds, gradients, typography, logos, and effects
- No signup, no watermark, no account required
- Local storage saves designs only to your device
| - Natural function notation like f(x) = 2 + cos(x)
- Sequences from recurrence relations
- Parametric equations with custom intervals
- CSV data import and spreadsheet editing
- Animated constants and variable families
- Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
- Grid customization with π multiples for ticks
- Interactive navigation with drag and zoom
- Multi-language support in 9 languages
- Built-in manual and automatic work saving
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| What makes it different | - Genuinely free with no hidden paywalls or upgrade requirements
- Privacy by architecture—no backend, no servers, no data collection
- Maintained by independent developer with transparent editorial standards
| - Draws mathematical objects exactly as written on paper with natural notation
- Handle CSV files of several million cells
- Objects can build on each other in expressions
- Exports with exact size in real centimeters
- Fully free and open source under GNU AGPL license
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 28 ▼ −1 (down) since last check | 40 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 20 | 11 |
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| Citation Flow (Majestic) | 19 | 11 |
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| Referring domains (Majestic) | 133 | 53 |
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4 details filled in for both companies.
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